KYMCO ZX/SCOUT 50 Service Manual page 26

2
. GENERAL INFORMATION
CLUTCH, DRIVE AND DRIVEN PULLEYS
Engine starts but
motor-cycle does not
Motorcycle creeps or
engine starts but soon
stops or seems to rush
out (Rear wheel rotates
when engine idles)
Engine lacks power at
start of a grade (poor
slope performance)
Engine lacks power at
high speed
There is abnormal noise
or smell while running
STEERING HANDLEBAR DOES NOT TRACK STRAIGHT
Steering is heavy
Front or rear wheel is
wobbling
Steering handlebar pulls
to one side
Symptom
Symptom
ZX / SCOUT
Probable Cause
Worn or slipping drive belt
Broken ramp plate
Broken driven face spring
Separated clutch lining
Damaged driven pulley shaft splines
Damaged final gear
Seized final gear
Broken shoe spring
Clutch outer and clutch weight stuck
Seized pivot
Worn or slipping drive belt
Worn weight rollers
Seized drive pulley bearings
Weak driven face spring
Worn or seized driven pulley bearings
Worn or slipping drive belt
Worn weight rollers
Worn or seized driven pulley bearings
Oil or grease fouled drive belt
Worn drive belt
Weak driven face spring
Worn or seized driven pulley bearings
Probable Cause
(Front and rear tire pressures are normal)
Steering stem nut too tight
Broken steering steel balls
Excessive wheel bearing play
Bent rim
Loose axle nut
Misaligned front and rear wheels
Bent front fork
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